Rank	Countries/Territories	Count	Percent
1	United States	541	37.2%
2	China	439	30.2%
3	Germany	137	9.4%
4	France	119	8.2%
5	Canada	22	1.5%
6	Netherlands	22	1.5%
7	Japan	17	1.2%
8	Singapore	12	0.8%
9	United Kingdom	12	0.8%
10	Cyprus	11	0.8%
11	India	10	0.7%
12	Australia	8	0.5%
13	Sri Lanka	8	0.5%
14	Switzerland	8	0.5%
15	Italy	7	0.5%
16	Korea, Republic of	7	0.5%
17	Romania	7	0.5%
18	Sweden	6	0.4%
19	Malaysia	5	0.3%
20	Hong Kong	5	0.3%
21	Taiwan	5	0.3%
22	Viet Nam	5	0.3%
23	Egypt	4	0.3%
24	Argentina	4	0.3%
25	Colombia	3	0.2%
26	Ireland	3	0.2%
27	Spain	3	0.2%
28	Thailand	3	0.2%
29	Ukraine	2	0.1%
30	Peru	2	0.1%
31	Poland	2	0.1%
32	Mongolia	2	0.1%
33	Russia	2	0.1%
34	Saudi Arabia	2	0.1%
35	Chile	2	0.1%
36	Bulgaria	2	0.1%
37	Belgium	1	0.1%
38	Georgia	1	0.1%
39	Serbia	1	0.1%
40	Latvia	1	0.1%
41	Slovakia	1	0.1%
42	South Africa	1	0.1%